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[IPCONFIG] fix format string issues and double free

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CID 502632
CID 502633
CID 502634
CID 1322301

svn path=/trunk/; revision=69009
This commit is contained in:
Christoph von Wittich 2015-09-04 19:03:41 +00:00
parent a7eeecdfdb
commit 796ff3eae8
1 changed files with 26 additions and 23 deletions
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49
reactos/base/applications/network/ipconfig/ipconfig.c
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@ -208,32 +208,35 @@ LPTSTR GetConnectionType(LPTSTR lpClass)
0,
dwDataSize);
if (ConTypeTmp == NULL)
return NULL;
ConType = (LPTSTR)HeapAlloc(ProcessHeap,
0,
dwDataSize);
if (ConType && ConTypeTmp)
if (ConType == NULL)
{
if(RegQueryValueEx(hKey,
_T("Name"),
NULL,
&dwType,
(PBYTE)ConTypeTmp,
&dwDataSize) != ERROR_SUCCESS)
{
HeapFree(ProcessHeap,
0,
ConType);
HeapFree(ProcessHeap,
0,
ConTypeTmp);
ConType = NULL;
}
if (ConType) CharToOem(ConTypeTmp, ConType);
HeapFree(ProcessHeap, 0, ConTypeTmp);
return NULL;
}
if(RegQueryValueEx(hKey,
_T("Name"),
NULL,
&dwType,
(PBYTE)ConTypeTmp,
&dwDataSize) != ERROR_SUCCESS)
{
HeapFree(ProcessHeap,
0,
ConType);
ConType = NULL;
}
if (ConType) CharToOem(ConTypeTmp, ConType);
HeapFree(ProcessHeap, 0, ConTypeTmp);
}
}
@ -580,12 +583,12 @@ VOID Release(LPTSTR Index)
for (i = 0; i < pInfo->NumAdapters; i++)
{
CopyMemory(&AdapterInfo, &pInfo->Adapter[i], sizeof(IP_ADAPTER_INDEX_MAP));
_tprintf(_T("name - %S\n"), pInfo->Adapter[i].Name);
_tprintf(_T("name - %ls\n"), pInfo->Adapter[i].Name);
/* Call IpReleaseAddress to release the IP address on the specified adapter. */
if ((ret = IpReleaseAddress(&AdapterInfo)) != NO_ERROR)
{
_tprintf(_T("\nAn error occured while releasing interface %S : \n"), AdapterInfo.Name);
_tprintf(_T("\nAn error occured while releasing interface %ls : \n"), AdapterInfo.Name);
DoFormatMessage(ret);
}
}
@ -656,7 +659,7 @@ VOID Renew(LPTSTR Index)
for (i = 0; i < pInfo->NumAdapters; i++)
{
CopyMemory(&AdapterInfo, &pInfo->Adapter[i], sizeof(IP_ADAPTER_INDEX_MAP));
_tprintf(_T("name - %S\n"), pInfo->Adapter[i].Name);
_tprintf(_T("name - %ls\n"), pInfo->Adapter[i].Name);
/* Call IpRenewAddress to renew the IP address on the specified adapter. */